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EP4239384A4 - Optical fiber cable and optical fiber unit - Google Patents

Optical fiber cable and optical fiber unit Download PDF

Info

Publication number
EP4239384A4
EP4239384A4 EP21886368.6A EP21886368A EP4239384A4 EP 4239384 A4 EP4239384 A4 EP 4239384A4 EP 21886368 A EP21886368 A EP 21886368A EP 4239384 A4 EP4239384 A4 EP 4239384A4
Authority
EP
European Patent Office
Prior art keywords
optical fiber
unit
cable
fiber cable
fiber unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21886368.6A
Other languages
German (de)
French (fr)
Other versions
EP4239384A1 (en
Inventor
Fumiaki Sato
Yohei Suzuki
Yuuki Shimoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP4239384A1 publication Critical patent/EP4239384A1/en
Publication of EP4239384A4 publication Critical patent/EP4239384A4/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44384Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4403Optical cables with ribbon structure
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/441Optical cables built up from sub-bundles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Insulated Conductors (AREA)
EP21886368.6A 2020-10-30 2021-10-29 Optical fiber cable and optical fiber unit Pending EP4239384A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020182420 2020-10-30
PCT/JP2021/039970 WO2022092251A1 (en) 2020-10-30 2021-10-29 Optical fiber cable and optical fiber unit

Publications (2)

Publication Number Publication Date
EP4239384A1 EP4239384A1 (en) 2023-09-06
EP4239384A4 true EP4239384A4 (en) 2024-04-24

Family

ID=81383990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21886368.6A Pending EP4239384A4 (en) 2020-10-30 2021-10-29 Optical fiber cable and optical fiber unit

Country Status (4)

Country Link
US (1) US20230251445A1 (en)
EP (1) EP4239384A4 (en)
JP (1) JPWO2022092251A1 (en)
WO (1) WO2022092251A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7936957B1 (en) * 2007-03-09 2011-05-03 Superior Essex Communications, Lp High-density fiber optic ribbon cable with enhanced water blocking performance
JP2016075815A (en) * 2014-10-07 2016-05-12 住友電気工業株式会社 Optical fiber cable and manufacturing method of optical fiber cable
WO2020054493A1 (en) * 2018-09-11 2020-03-19 株式会社フジクラ Optical fiber cable

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3523996B2 (en) * 1997-12-24 2004-04-26 住友電気工業株式会社 Fiber optic cable
JP2001194567A (en) * 2000-01-11 2001-07-19 Sumitomo Electric Ind Ltd Optical fiber cable
JP2002236241A (en) * 2001-02-08 2002-08-23 Fujikura Ltd Optical cable
JP2006337581A (en) * 2005-05-31 2006-12-14 Swcc Showa Cable Systems Co Ltd Optical fiber cable
DK2344911T3 (en) * 2008-11-07 2015-07-13 Draka Comteq Bv Reduced diameter optical fiber
JP6004627B2 (en) 2011-10-17 2016-10-12 古河電気工業株式会社 Fiber optic cable
JP5947782B2 (en) 2013-11-21 2016-07-06 株式会社フジクラ Fiber optic cable
EP3158378B1 (en) * 2014-06-23 2020-04-15 Corning Optical Communications LLC Optical fiber cable
JP6462507B2 (en) * 2015-06-25 2019-01-30 古河電気工業株式会社 Optical fiber cable and optical fiber cable manufacturing method
JP6255120B1 (en) * 2017-02-20 2017-12-27 株式会社フジクラ Fiber optic cable
JP6598813B2 (en) 2017-03-29 2019-10-30 古河電気工業株式会社 Fiber optic cable
HUE058111T2 (en) * 2017-06-02 2022-07-28 Fujikura Ltd Optical fiber cable and method for manufacturing optical fiber cable
JP7068142B2 (en) * 2018-11-09 2022-05-16 株式会社フジクラ Fiber optic cable
JP6587766B1 (en) 2019-05-08 2019-10-09 株式会社オーイズミ Cigarette fire extinguisher

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7936957B1 (en) * 2007-03-09 2011-05-03 Superior Essex Communications, Lp High-density fiber optic ribbon cable with enhanced water blocking performance
JP2016075815A (en) * 2014-10-07 2016-05-12 住友電気工業株式会社 Optical fiber cable and manufacturing method of optical fiber cable
WO2020054493A1 (en) * 2018-09-11 2020-03-19 株式会社フジクラ Optical fiber cable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022092251A1 *

Also Published As

Publication number Publication date
EP4239384A1 (en) 2023-09-06
WO2022092251A1 (en) 2022-05-05
JPWO2022092251A1 (en) 2022-05-05
US20230251445A1 (en) 2023-08-10

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20230504

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240327

RIC1 Information provided on ipc code assigned before grant

Ipc: G02B 6/44 20060101AFI20240321BHEP